this post was submitted on 07 Dec 2023
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183
Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack (arstechnica.com)
submitted 11 months ago by [email protected] to c/[email protected]
31 comments fedilink hide all child comments
 

Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack::UEFIs booting Windows and Linux devices can be hacked by malicious logo images.

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[–] [email protected] 18 points 11 months ago (1 children)

Because this can persist beyond an OS rebuild or patch. You infect the BIOS and you're on the device until the BIOS is free reflashed. And who ever does that?

[–] [email protected] 3 points 11 months ago (1 children)

Or until you overwrite that malicious logo again?

[–] [email protected] 7 points 11 months ago

No. The logo is loaded, runs in BIOS context and is able to modify the BIOS. Now it's embedded and the logo is irrelevant.